CN217069595U - High-sealing dustproof device for screening machine - Google Patents

Abstract

The utility model discloses a high sealed dust keeper for screening machine relates to material screening field, including setting up the dust cover under the sieve railway carriage or compartment of screening machine, the dust cover includes fixed frame, the fixed frame up end is provided with the split type roof of polylith along material flow direction side by side, fixed frame encircles all around and is provided with the side seal spare, it is provided with the dust screen to correspond sieve railway carriage or compartment feed end, discharge end position on the side seal spare, the fixed frame both sides are provided with the landing leg, the landing leg setting corresponds sieve railway carriage or compartment below on the screening machine, and the dust that the inside material in sieve railway carriage or compartment was raised up under the vibrating motor effect most can be blockked inside the sieve railway carriage or compartment by the dust cover, possesses sealed effectual, can effectively protect operational environment, prevents the function that a large amount of raise dust is scattered.

Description

High-sealing dustproof device for screening machine

Technical Field

The utility model relates to a material screening technical field especially relates to sealed dustproof technical field of screening machine.

Background

The material screening process is commonly operated by a screening machine, wherein the screening machine is most commonly a vibrating screen, the vibrating screen structure is composed of four parts, a high-frequency vibrating motor, a first-level fixed grid screen, a second-level grading fixed grid screen, a vibrating spring and a casing. The supporting or hanging screen box adopts a spring assembly, and the vibration of the screen box depends on a vibration exciter. The vibrating screen is an elastic vibrating system whose amplitude can be varied by the influence of the feed rate and other dynamic factors. The vibrating screen has the characteristics of high frequency, small amplitude, positive and negative inclination of the screen surface and the screening rate, the larger the inclination of the screen surface, the higher the flow speed, and the jumping motion of the materials on the screen surface, so that the productivity and the screening efficiency are both higher. The vibrating screen is suitable for various screening operations of coal preparation plants, and has a plurality of types. The vibrating screen classification adopts the vibrating screen principle that: linear vibrating screens, horizontal vibrating screens, shaker screens, eccentric screens, rotary vibrating screens, circular vibrating screens, banana vibrating screens, probability screens, and the like. According to the difference of its drive mechanism, can also be divided into the following: eccentric vibrating screen, inertial vibrating screen, self-centering vibrating screen, and resonant screen. But the existing screening machine can not be matched with a dustproof mechanism during manufacturing, and the condition of more dust raising in the material screening process can be caused.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides a high sealed dust keeper for screening machine, has solved the not good problem of sealed effect that current screening equipment exists, possesses sealed effectual, can effectively protect operational environment, prevents the function that a large amount of raise dusts are scattered.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the high-sealing dustproof device for the screening machine comprises a dustproof cover arranged under a screening chamber of the screening machine, the dustproof cover comprises a fixed frame, a plurality of split type top plates are arranged on the upper end face of the fixed frame side by side along the material flowing direction, side sealing pieces are arranged around the fixed frame, dustproof curtains are arranged on the side sealing pieces and correspond to the feeding end and the discharging end of the screening chamber, supporting legs are arranged on two sides of the fixed frame and correspond to the lower portion of the screening chamber on the screening machine.

In order to further optimize the utility model discloses, can prefer following technical scheme for use:

preferably, the height between the split type top plate and the screen compartment is linearly decreased from the middle to the edge.

Preferably, the split type top plate comprises an arc-shaped plate, connecting plates are arranged on two sides of the arc-shaped plate, and the connecting plates are connected with the fixed frame through rivets.

Preferably, the split top plate and the side sealing element are both made of soft rubber plates.

Preferably, the fixed frame is provided with fan-shaped supporting plates corresponding to the two ends of the fixed frame and the butt joint positions of the two adjacent split type top plates, and the fixed frame is further provided with a plurality of reinforcing beams.

Preferably, the side sealing member is disposed on an inner sidewall of the fixing frame through a connecting member.

Preferably, the supporting legs are provided in plurality and the upper ends of the supporting legs are connected to two side positions of the fixed frame through bolts.

Preferably, the sieve case includes the hopper, be provided with the screen cloth in the hopper, it is provided with the side sealing member to correspond the dustproof curtain left and right sides position on the side sealing member, the side sealing member includes the baffle that links to each other with the dustproof curtain and arranges the side curtain of keeping off in the dustproof curtain both sides, the side curtain of keeping off is outwards buckled and is covered the hopper, baffle lower extreme top is held on the hopper.

Preferably, the side curtain, the baffle and the dustproof curtain are integrally formed sheets.

Preferably, the dust cover is arranged in the same direction as the material flow direction of the sieve compartment.

One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:

1. this scheme is including setting up the dust cover under the sieve railway carriage or compartment of screening machine, the dust cover includes fixed frame, fixed frame up end is provided with the split type roof of polylith along material flow direction side by side, fixed frame encircles all around and is provided with the side seal spare, correspond sieve railway carriage or compartment feed end on the side seal spare, the discharge end position is provided with the dust screen, the dust major part that the inside material in sieve railway carriage or compartment was raised up under the vibrating motor effect can be blockked inside the sieve railway carriage or compartment by the dust cover, effective protective working environment prevents a large amount of raise dusts.

2. In the scheme, the side sealing pieces are arranged around the fixed frame, and the soft rubber plates are used around the dust cover, so that the materials in the sieve box main body can be prevented from jumping upwards and downwards from two sides; because the soft rubber plate is used, the lower part of the rubber plate is naturally lapped on the sieve box main body. Therefore, the whole dust cover is flexibly connected with the sieve box main body, and when the sieve box vibrates, the dust cover cannot vibrate along with the sieve box.

3. In the scheme, the dustproof cover uses the dustproof curtains at the feeding position and the discharging position, so that the dustproof cover can prevent dust and does not influence material conveying; meanwhile, the top of the split top plate is of a structure that the middle part is raised and gradually descends towards the two sides, so that sundries and rainwater can be prevented from being accumulated on the top; the split top plate and the split side plates are soft rubber plates, all the rubber plates are in rivet connection mode and are of single structures, replacement is convenient, and maintenance cost is low; meanwhile, the dust cover is not connected with the screen box body and is arranged on the support below the screen box body, so that only slight vibration can occur.

Drawings

Fig. 1 is a schematic perspective view of a sieving machine;

FIG. 2 is a perspective view of the dust cover;

FIG. 3 is a schematic view of a fixing frame structure;

fig. 4 is an enlarged view of the structure at a.

The screening machine comprises a screening machine frame 1, a screening box 2, a hopper 3, a dust cover 4, a fixed frame 5, a split type top plate 6, a supporting leg 7, a dust curtain 8, a side sealing piece 9, an arc plate 10, a connecting plate 11, a fan-shaped supporting plate 12, a reinforcing beam 13, a baffle plate 14, a side curtain 15 and a connecting piece 16.

Detailed Description

In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.

Example 1:

as shown in fig. 1-4, a highly sealed dust-proof device for a sieving machine comprises a dust-proof cover 4 installed under a sieving chamber 2 of the sieving machine, the sieving machine comprises a sieving machine frame 1, the dust-proof cover comprises a fixed frame 5, a plurality of split type top plates 6 are installed on the upper end surface of the fixed frame 5 side by side along the material flow direction, a side sealing member 9 is installed around the fixed frame, a dust-proof curtain is installed on the side sealing member 9 corresponding to the feeding end and the discharging end of the sieving chamber, supporting legs are installed on both sides of the fixed frame, the supporting legs are installed on the sieving machine frame corresponding to the lower part of the sieving chamber on the sieving machine, a plurality of supporting legs 7 are installed, the upper ends of the supporting legs 7 are connected with both sides of the fixed frame through bolts, the dust-proof cover is not connected with the sieving chamber body and is installed on a support under the sieving chamber body, so that only slight vibration can occur, the sieving chamber comprises a hopper, a sieve screen is installed in the hopper, the side sealing pieces are arranged on the side sealing pieces corresponding to the left side and the right side of the dustproof curtain 8, each side sealing piece comprises a baffle 14 connected with the dustproof curtain and side retaining curtains 15 arranged on the two sides of the dustproof curtain, the side retaining curtains 15 are outwards bent to cover the hopper 3, the lower ends of the baffles are supported on the hopper 3, the side retaining curtains, the baffles and the dustproof curtains 8 are integrally formed sheets, and the manufacturing and the production are convenient; because the soft rubber plate is used, the lower part of the rubber plate is naturally lapped on the sieve carriage main body, the whole dust cover is flexibly connected with the sieve carriage main body, and when the sieve carriage vibrates, the dust cover cannot vibrate along with the sieve carriage.

The height between the split top plate and the sieve compartment is linearly decreased from the middle to the edge, so that the top of the dust cover is of a structure that the middle is raised and gradually descends towards two sides, and sundries and rainwater can be prevented from being gathered at the top; split type roof includes arc 10, and connecting plate 11 is installed to arc both sides position, through rivet connection between connecting plate and the fixed frame, and split type roof, side seal 9 all adopt soft rubber board, and all split type roofs are the rivet connection mode, and are the monomer structure, and it is convenient to change, and the maintenance cost is low. Correspond fixed frame both ends and two adjacent split type roof butt joint positions department on the fixed frame and all install fan-shaped backup pad 12, still install a plurality of stiffening beams 13 in the fixed frame, guarantee overall structure's intensity, the side seal spare is installed on the fixed frame inside wall through a connecting piece 16, the dust cover arrange the direction unanimous with the material flow direction in sieve railway carriage or compartment, guarantee the high-efficient utilization in space, guarantee sealed effect simultaneously. The dust that the inside material of sieve railway carriage or compartment was raised under the vibrating motor effect through this scheme most can be blockked inside the sieve railway carriage or compartment by the dust cover, effectively protects operational environment, prevents a large amount of raise dusts and looses.

While the preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the scope of the invention.

It will be apparent to those skilled in the art that various changes and modifications may be made to the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (10)

1. The utility model provides a high sealed dust keeper for screening machine, is including setting up the dust cover under the sieve railway carriage or compartment of screening machine, its characterized in that: the dustproof cover comprises a fixed frame, a plurality of split type top plates are arranged on the upper end face of the fixed frame side by side along the material flowing direction, side sealing pieces are arranged around the fixed frame in a surrounding mode, dustproof curtains are arranged on the side sealing pieces and correspond to the positions of the feeding end and the discharging end of the screening compartment, supporting legs are arranged on two sides of the fixed frame and correspond to the lower portion of the screening compartment on the screening machine.

2. The high-sealing dustproof device for the sieving machine according to claim 1, characterized in that: the height between the split type top plate and the sieve compartment is linearly decreased from the middle to the edge.

3. The high-sealing dustproof device for the screening machine according to claim 1, characterized in that: the split type top plate comprises an arc-shaped plate, connecting plates are arranged on two sides of the arc-shaped plate, and the connecting plates are connected with the fixed frame through rivets.

4. The high-sealing dustproof device for the sieving machine according to claim 1, characterized in that: the split type top plate and the side sealing pieces are made of soft rubber plates.

5. The high-sealing dustproof device for the sieving machine according to claim 1, characterized in that: fan-shaped supporting plates are arranged on the fixed frame corresponding to the two ends of the fixed frame and the butt joint position of the two adjacent split type top plates, and a plurality of stiffening beams are arranged in the fixed frame.

6. The high-sealing dustproof device for the sieving machine according to claim 1, characterized in that: the side sealing element is arranged on the inner side wall of the fixed frame through a connecting piece.

7. The high-sealing dustproof device for the sieving machine according to claim 1, characterized in that: the landing leg is provided with a plurality of and landing leg upper end passes through bolted connection in fixed frame both sides position.

8. The high-sealing dustproof device for the sieving machine according to claim 1, characterized in that: the screen box of screening machine includes the hopper, be provided with the screen cloth in the hopper, it is provided with the side sealing member to correspond the dustproof curtain left and right sides position on the side sealing member, the side sealing member includes the baffle that links to each other with the dustproof curtain and arranges the side curtain of keeping off in the dustproof curtain both sides, the outside bending type of side curtain that keeps off covers the hopper, the baffle lower extreme top is held on the hopper.

9. The high-sealing dustproof device for the sieving machine according to claim 8, wherein: the side check curtains, the baffle plates and the dustproof curtains are integrally formed sheets.

10. The high-sealing dustproof device for the sieving machine according to claim 1, characterized in that: the arrangement direction of the dust cover is consistent with the material flow direction of the sieve compartment.

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